Thanks Catherine. I've already deleted the offending stack, but I'll upload them to you next time if it happens again.

Hi, new Helicon user here.

I have a 50-image 100MP stack that I am trying to build. No matter which Method I choose, I get several squiggled, fuzzy lines through the final image at a couple of different places.

After some experimenting, it appears that this only happens when using the DNG round ...